Product Manager

NEXT is the newly launched innovation hub inside Fifty5

Blue, the global leader in media measurement and analytics operating in more than 80 countries. NEXT is a new, ring‑fenced innovation unit being built from the ground up, with a clear mandate to launch the next generation of AI‑native audience‑intelligence products — modernizing our cross‑media engine, expanding our audience measurement solutions, and investing in AI capabilities.

Why join this incredible program? NEXT is being built from the ground up - you will shape both the product and the operating model. Flexible work model:
London (one pod is being built in our London office) or fully remote with regular travel for in person collaboration. Hybrid by default; we trust our teams to find the right balance

We're hiring a senior Product Manager to own a portfolio of new product initiatives: leading R&D, building the products working hand-in-hand with the data scientists and software engineers, engaging directly with client teams and internal customers, and bringing methodological rigour to a fast‑moving development team

• Own product strategy and roadmap for 4-5 initiatives (e.g. cross‑media measurement, behavioural panel data, AI‑native use cases)
• Translate Fifty5
  
  Blue's existing panel and methodology assets into new product opportunities; and partner closely with the existing organization to bring new solutions to life
• Maintain the connection between NEXT pilots and Fifty5
  
  Blue's currency‑grade methodology standards — radical experimentation does not mean methodological shortcuts.
• Drive ownership and accountability for product delivery, managing risks and making product decisions for the team
• Lead the product relationship for client funded proof‑of‑concepts through delivery and eventual scaling
• Convert customer pain points into structured product hypotheses with clear validation criteria, working closely with a commercial product lead to understand our key markets, customer segments, and drive strong product‑market fit

• Work alongside NEXT’s data scientists and engineers in 6‑week sprint cadence; demo at the end of each sprint.
• Coordinate with Fifty5
  
  Blue’s panel operations, methodology, and commercial teams
• Carry initiatives through the Hub’s five‑stage cycle (Discover > Design > Build > Pilot > Scale) with explicit GO and KILL criteria at each gate.

• Proven product management experience, with extensive audience measurement knowledge, media analytics, or adjacent data products.
• Direct, hands‑on familiarity with panel‑based measurement methodology and the trade‑offs between panel and big‑data approaches.
• Experience leading paid customer pilots with major platforms, broadcasters, agencies, or advertisers.
• Strong written and verbal communication; you can write a one-page product brief that an engineer, a methodologist, and a CMO can all act on.

• Prior experience in a cross‑media measurement role (linear + digital + social + CTV); experience building data‑heavy solutions and SQL querying
• Working knowledge of behavioural panel design, consent frameworks, and applicable privacy regulation (GDPR, CCPA, state laws).
• Familiarity with applied AI in measurement contexts (LLMs for content classification, synthetic panels, model validation).
• Experience with data platforms such as Databricks, snowflake or other cloud native solutions (GCP big query, AWS sagemaker).
• Solid understanding of agile practices. Any experience in SAFe is considered a plus.

Fifty5

Blue’s core values are:
Clarity, Independence, and Impatience. At NEXT, we live those values – moving at pace, with high degree of transparency and collaboration, and a commitment to testing and failing fast. We move in weeks not months, days not weeks; we make decisions quickly and in the open; we celebrate good kills as much as good launches.